To Knoxville

Cheap Flights from Houston to Knoxville

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Deals from

Houston

RatePunk searches hundreds of travel sites at once for deals on flights to Knoxville

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Houston to Knoxville

Explore current cheapest deals departing from Houston to Knoxville

Round trip

Sort by: Cheapest

August 14 - August 17

Cheapest

Best

HOU - Knoxville

$216

$69

Round trip

August 21 - August 24

HOU - Knoxville

$217

$74

Round trip

August 7 - August 10

HOU - Knoxville

$219

$79

Round trip

August 10 - August 14

HOU - Knoxville

$217

$81

Round trip

August 3 - August 7

Earliest

HOU - Knoxville

$216

$81

Round trip

August 3 - August 14

Earliest

HOU - Knoxville

$184

$82

Round trip

August 3 - August 24

Earliest

HOU - Knoxville

$176

$82

Round trip

August 3 - August 17

Earliest

HOU - Knoxville

$182

$82

Round trip

August 7 - August 14

HOU - Knoxville

$207

$82

Round trip

August 7 - August 24

HOU - Knoxville

$181

$82

Round trip

Unlock all 500+ flight deals to Knoxville and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Houston to Knoxville

For cheap flights from Houston to Knoxville, fares are typically $256–$710, with a median of $466. Right now, current fares are above the typical level, and only 5% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find better prices.

When is the cheapest time to fly from Houston to Knoxville? The data indicates that November is the cheapest month, with a median fare of $68. October also offers competitive pricing, with a median fare of $94, followed by June, where the median fare is $98. Planning your trip during these months could lead to significant savings.

Most itineraries for this route connect at least once, with only 22.8% of recent fares being non-stop. For the majority of flights that do connect, the typical number of stopovers is 3. This suggests that travelers should anticipate at least one stop when flying from Houston to Knoxville.

A typical journey from Houston to Knoxville takes 24h 26m, including connections. This duration reflects the prevalence of connecting itineraries on this route, as most flights involve at least one stopover. Travelers should factor in this extended travel time when planning their trip.

The distance between Houston and Knoxville is 1241 kilometers, classifying this as a short-haul route. Despite the relatively short distance, the journey often involves multiple connections, contributing to the overall travel time.

How much is a round trip from Houston to Knoxville

Regular price: $164 - $405

Prices are currently below the regular range.

The regular price range for flights from Houston to Knoxville is $164 to $405. The current lowest deal is $69 with Allegiant Air for travel from Aug 14-Aug 17.

now $69

Low $164

High $405

The cheapest time to fly from Houston to Knoxville

The cheapest month to fly from Houston to Knoxville is November, with a median price of $68. The most expensive month is April, with a median price of $688. Prices are generally lower from May to December.

November

Cheapest

Flights from $68

April

Most Expensive

Flights from $688

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Houston to Knoxville

Allegiant Air

Last-minute flights going from Houston to Knoxville

Mon, Jun 22

⌛ Last-Minute

HOU - Knoxville

Houston (HOU) - Knoxville (TYS)

Allegiant Air

$306

$153

One-way

Mon, Jun 22

⌛ Last-Minute

HOU - Knoxville

Houston (HOU) - Knoxville (TYS)

Allegiant Air

$342

$195

One-way

Fri, Jul 3

⌛ Last-Minute

HOU - Knoxville

Houston (HOU) - Knoxville (TYS)

Deutsche Luft Hansa

$420

$300

One-way

Mon, Jul 6

⌛ Last-Minute

HOU - Knoxville

Houston (HOU) - Knoxville (TYS)

Allegiant Air

$211

$140

One-way

Mon, Jul 6

⌛ Last-Minute

HOU - Knoxville

Houston (HOU) - Knoxville (TYS)

Allegiant Air

$219

$150

One-way

Mon, Jul 6

⌛ Last-Minute

HOU - Knoxville

Houston (HOU) - Knoxville (TYS)

Allegiant Air

$212

$157

One-way

Biggest price drops on these dates for flights from Houston to Knoxville

4 nights

Sep 4 - Sep 8

$444 → $218

51%

3 nights

Sep 5 - Sep 8

$444 → $232

48%

2 nights

Aug 14 - Aug 16

$384 → $174

55%

5 nights

Nov 7 - Nov 12

$419 → $210

50%

Popular Airports to fly from Houston to Knoxville

Houston - Knoxville route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Houston to Knoxville are above the typical level, with a median of $466.

📅 Best time to fly

November is historically the cheapest month to fly

Historically, November is the cheapest month to fly from Houston to Knoxville, with a median price of $68.

⏱️ Flight duration

Flights are typically 24h 26m long

Flights from Houston to Knoxville typically take 24h 26m, covering a distance of 1241 km.

✈️ Airlines & availability

Connecting flights are dominant for this route

Connecting flights make up 77.2% of deals, with a median of 3 stopovers.

🏆 Airline highlight

Allegiant Air offers direct flights

Allegiant Air is an airline that offers direct flights from Houston to Knoxville.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Houston to Knoxville are frequent, with over 1 deal per day.

Houston main airports to depart from

William P. Hobby (HOU)

Cheapest

Fly from William P. Hobby for a potentially cheaper option to Knoxville.

📍 ~15 km from Houston city center (reachable by car)

💸 Flights from ~$69

George Bush Intercontinental (IAH)

Consider George Bush Intercontinental for flights to Knoxville.

📍 ~30 km from Houston city center (reachable by car)

💸 Flights from ~$197

Knoxville main airports to arrive at

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport is ideal for direct access to Knoxville and surrounding areas.

📍 ~20 km from Knoxville (reachable by car)

💸 Flights from ~$69

Airports nearby Knoxville used as alternative

Nashville International (BNA)

Nashville International offers significantly more direct flight options and often provides more competitive pricing.

📍 ~240 km from Knoxville (reachable by car)

💸 Flights from ~$204

Hartsfield–Jackson Atlanta International (ATL)

Cheapest

Hartsfield–Jackson Atlanta International is the world's busiest airport, offering unparalleled global connectivity and competitive pricing.

📍 ~270 km from Knoxville (reachable by car)

💸 Flights from ~$75

Charlotte Douglas International (CLT)

Charlotte Douglas International is a major American Airlines hub, providing extensive East Coast and international connections.

📍 ~250 km from Knoxville (reachable by car)

💸 Flights from ~$173

Greenville–Spartanburg International (GSP)

Greenville–Spartanburg International is a larger regional airport that often features lower fares than TYS or AVL.

📍 ~180 km from Knoxville (reachable by car)

💸 Flights from ~$197

Asheville Regional (AVL)

Asheville Regional is geographically the closest alternative airport, useful for specific low-cost carrier routes.

📍 ~100 km from Knoxville (reachable by car)

💸 Flights from ~$84

Business & First Class Flight Deals to Knoxville

48% AI deal score

$701

From IAH

Elite

Jul 10

Knoxville, United States

48% AI deal score

$705

From IAH

Elite

Jul 10

Knoxville, United States

48% AI deal score

$716

From IAH

Knoxville, United States

48% AI deal score

$745

From IAH

Knoxville, United States

45% AI deal score

$2,714

Frequently Asked Questions About Flights to Knoxville

Historically, the best prices for flights from Houston to Knoxville are found when booking 60+ days in advance, with an average price of $419. Booking between 14 and 27 days out typically sees an average price of $471. Prices tend to increase significantly closer to departure, with flights booked 0-6 days out averaging $1093. Planning ahead by more than two months can lead to substantial savings on this route.

A good deal for a flight from Houston to Knoxville is considered to be $256 or less. The median price for this route across the trailing quarter was $466. Prices above $710 are typically in the more expensive range. By aiming for prices at or below $256, travelers can secure a favorable fare.

Historically, November has been the cheapest month to fly from Houston to Knoxville, with a median price of $68. October also offers competitive pricing, with a median of $94. The annual median price for this route is $466. Travelers looking for the most economical options should consider these months for their journey.

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